﻿#region Copyright notice and license

// Copyright 2019 The gRPC Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#endregion

using System;
using System.Buffers;

namespace Grpc.AspNetCore.Web.Internal
{
    internal class MemorySegment<T> : ReadOnlySequenceSegment<T>
    {
        public MemorySegment(ReadOnlyMemory<T> memory)
        {
            Memory = memory;
        }

        public MemorySegment<T> Append(ReadOnlyMemory<T> memory)
        {
            var segment = new MemorySegment<T>(memory)
            {
                RunningIndex = RunningIndex + Memory.Length
            };

            Next = segment;

            return segment;
        }
    }
}
